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R56401 Titanium vs. EN 1.4017 Stainless Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.4017 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R56401 titanium and the bottom bar is EN 1.4017 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
14
Fatigue Strength, MPa 480
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 560
350
Tensile Strength: Ultimate (UTS), MPa 940
580
Tensile Strength: Yield (Proof), MPa 850
390

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 340
870
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1390
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
30
Thermal Expansion, µm/m-K 9.6
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 38
2.2
Embodied Energy, MJ/kg 610
31
Embodied Water, L/kg 200
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
71
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 59
21
Strength to Weight: Bending, points 48
20
Thermal Diffusivity, mm2/s 2.9
8.1
Thermal Shock Resistance, points 67
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
78.3 to 82.8
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
1.2 to 1.6
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 88.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0